(19)

(11)

EP 2 640 635 A1

(12)

(43) Date of publication: 25.09.2013 Bulletin 2013/39 (21) Application number: 10784359.1 (22) Date of filing: 15.11.2010

(51) International Patent Classification (IPC):  B64C 1/20(2006.01) B64D 9/00(2006.01) (86) International application number: PCT/US2010/002984 (87) International publication number: WO 2012/067595 (24.05.2012 Gazette 2012/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (71) Applicants: Curry, James M. Lake Stevens, WA 98258 (US) Schemkes, Randolph Snohomish, WA 98290 (US)	(72) Inventors: Curry, James M. Lake Stevens, WA 98258 (US) Schemkes, Randolph Snohomish, WA 98290 (US) (74) Representative: Giles, Ashley Simon  Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn London WC1V 7JH London WC1V 7JH (GB)